CN106573281A - Process for wood torrefaction, and construction material produced therefrom - Google Patents

Process for wood torrefaction, and construction material produced therefrom Download PDF

Info

Publication number
CN106573281A
CN106573281A CN201580019546.4A CN201580019546A CN106573281A CN 106573281 A CN106573281 A CN 106573281A CN 201580019546 A CN201580019546 A CN 201580019546A CN 106573281 A CN106573281 A CN 106573281A
Authority
CN
China
Prior art keywords
minutes
kpas
charring process
cellulosic material
arbitrary described
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201580019546.4A
Other languages
Chinese (zh)
Other versions
CN106573281B (en
Inventor
弗里德里希·杰拉德
安德烈·比彻姆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Wei Wei Timber Engineering Co., Ltd.
Original Assignee
Wyatt Girard Management Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wyatt Girard Management Ltd filed Critical Wyatt Girard Management Ltd
Publication of CN106573281A publication Critical patent/CN106573281A/en
Application granted granted Critical
Publication of CN106573281B publication Critical patent/CN106573281B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08HDERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H8/00Macromolecular compounds derived from lignocellulosic materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27KPROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/0085Thermal treatments, i.e. involving chemical modification of wood at temperatures well over 100°C
    • B27K5/009Thermal treatments, i.e. involving chemical modification of wood at temperatures well over 100°C using a well-defined temperature schedule
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0057Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Xylans, i.e. xylosaccharide, e.g. arabinoxylan, arabinofuronan, pentosans; (beta-1,3)(beta-1,4)-D-Xylans, e.g. rhodymenans; Hemicellulose; Derivatives thereof

Abstract

The present disclosure includes methods for enhancing hardness and dimensional stability of a wood element. In one embodiment, the method includes placing the wood element in a compression assembly set to a compression temperature between about 120 DEG C and about 230 DEG C in a temperature cycling matter and cooling it slowly under low atmospheric pressure.

Description

The technique of the carbonization of wood and its construction material for being produced
Cross reference related application
The application advocates the priority of No. 62/069,921 earlier patent application in the U.S., applies as on October 29th, 2014, aforementioned The description of application is integrally joined to this by quoting.
Background technology
Carbonization is a kind of cracking liquid wax, tar and dust and extracts the gentle mode of its volatile ingredient.These compounds It is all harmful to environment thus need to be destroyed according to specific flow process or be reclaimed.The invention discloses how one kind controls compound Waste and they are changed into the production technology of recovering energy source safely.
It is well known that carbonization is a kind of technique for making timber more robust.Simply the surface of burn wood can just make its more resistant to With.The key of the present invention is to improve lumber quality and ruggedness by improving carbonization process.
Carbonization need to carry out heat wood with very high temperature in the dry kiln of controlled gas pressure and hypoxia, generally from 190 DEG C to 240 ℃.Time and temperature are depending on by the wood type of carbonization and desired target and color.Carbonization needs three steps:It is dry Dry, heat treatment and cooling.Pre-drying process is needed using traditional kiln drier, as convention, accounts for mixing in water vapour content Initial humidity is reduced between 6% and 10% on certain particular value on the basis of the ratio of the total air content of thing.It is dried then Humidity is reduced to into 0% further.Timber is placed on one by controlling injection steam to realize temperature gradually in the final step In the room of reduction.The humidity of product increases between 3% and 6%, and this is, in order to give timber natural motility, to contribute to adjusting Section timber stability, promotes the more preferable quality of production.
Existing method is difficult to control to, and is lack of consistency by the possible difference of the property of charred wood, and final generation need not The waste wanted and cost.The technique that the present invention proposes the reliability and product quality of novel an increased production.
In carbonization, various gases can be reacted, such as carbon monoxide, carbon dioxide, various organic compound, water and other Inorganic compound.One aspect of the present invention is combusting carbon monoxide and organic vapor and uses its heat for dry and carbonization Some heat energy are provided.Noble gases obviously potentially include steam as such as nitrogen and/or other noble gases.Cellulose carbonization Product, irreducible water more specifically and volatilization raw material, in closing, the inertia of a volatile material for allowing capture System in implement.
The content of the invention
The present invention is specifically, there is provided a kind of charring process based on cellulosic material, including:
1) cellulose carries out first time crystallization at a temperature of about 210 DEG C to about 240 DEG C, and about 10 minutes time is to about 45 minutes, pressure was of about 25.4 kPas to about 101.4 kPas;
2) lignose material is decomposed at a temperature of 170 DEG C to 200 DEG C, about 15 minutes time by 35 minutes, lazy In the environment of the pressure of property gas is of about 50.8 kPas to about 101.4 kPas, there are 0.05-0.1% ammonias;;
3) cellulosic material carries out second crystallization at a temperature of about 205 DEG C to about 230 DEG C, and about 15 minutes time arrived 90 minutes, about 50.8 kPas to about 101.4 kPas of pressure, period is under noble gases with the strong of increase cellulosic material Degree;
4) at a temperature of about 50 DEG C to about 95 DEG C, the time is of about 60 minutes to greatly to the water balance of cellulosic material About 120 minutes, pressure was for about 10.2 kPas to about 75.2 kPas, and cellulosic material is preferentially back to room temperature (about 25 DEG C) and normally Under atmospheric pressure (about 101.325 kPas).
Crystallization for the first time can be carried out in ozone, nitrogen or a noble gases.
Crystallization for the first time can be carried out in nitrogen.
Crystallization for the first time can be at 230 DEG C.
Crystallization for the first time can last about 15 minutes.
First subcrystalline air pressure can be at about 50.7 kPas (0.5atm).
Lignin decomposition can be at 180 DEG C.
Lignin decomposition can be about 20 minutes.
Lignin decomposition can be about 101.4 kPas (about 1atm).
Lignin decomposes can be carried out under an inert gas.
Noble gases can be nitrogen.
Lignin decomposes the 0.05-0.1% ammonia that can further take presence.
Lignin decomposes can be carried out under nitrogen-ammonia gas.
Second crystallization can be at about 210 DEG C to 215 DEG C.
Sustainable 30 minutes to 50 minutes are crystallized for the second time.
Water balance step can be at about 81.1 kPa 0.8 (atm) and be about 101.4 kPas (about 1atm).
Water balance step may be carried out in atmospheric humidity about 50%.
Charring process may further include gas and sour extraction step, before first time crystallizes.
Gas and sour extraction step may be about 120 DEG C.
Gaseous acid extraction step is probably 90 minutes to 120 minutes.
Gas and sour extraction step may be about 101.4 kPas (about 1atm)
Carbonization process may further constitute hemicellulose switch process, crystallize through second.
Hemicellulose switch process may be about 195 DEG C.
Hemicellulose switch process may about 15 minutes.
Hemicellulose switch process may be about 101.4 kPas of atm) (about 1atm).
Hemicellulose switch process can be carried out under nitrogen-ammonia gas.
Charring process may further include Slow cooling step after crystallizing at second, in about 1 minute at about 210 DEG C, About 91.3 kPas (0.9atm).
The step of charring process may further include carbonization, which is after hemicellulose switch process.
Carbonization may be about 120 DEG C.
Carbonization is probably about 45 minutes.
Carbonization is probably about 101.4 kPas (about 1atm).
Charring process may further include compacting step, and which is after carbonization.
Compacting step may be about 180 DEG C.
Compacting step is probably about 15 minutes.
Compacting step is probably about 91.3 kPas (0.9atm).
Following term definition.
" cellulosic material " generally refers to timber, this be probably cork (such as coniferals) or hardwood (such as Oak Tree, maple, etc.).
" specific humidity " refers on quality base, and vapor is represented with % relative to the ratio of the shared mixture of air total amount.
" percentage ratio " is when the percentage ratio of air is referred to, it is meant that ratio of the component relative to air total amount.
During selected embodiment of the features and advantages of the invention prize described in detail by following, such as illustrate in appended numeral, Can be clearer.As will be realized, the modification made in different aspect by disclosed scheme and claim, without departing from Protection domain.Therefore, drawing and description should be considered illustrative, rather than as restricted and limiting of its scope.
Description of the drawings
In conjunction with accompanying drawing, from the following detailed description further disclose the present invention the characteristics of and advantage, wherein:
Fig. 1 illustrates the artwork of the carbonization of prior art.
Fig. 2 illustrates the artwork of the carbonization of the present invention.Red line represents mean temperature, and top level line represents 180 °C, solid line generation The temperature of table cellulosic material (wood), other (different) lines represent the temperature of instrument.Heating period from about O DEG C to 180 DEG C, Carbonization stage starts at 180 DEG C to maximum temperature is reached, and cooling stage starts to stop process from maximum temperature.
The flow chart that Fig. 3 illustrates the technique of an embodiment of the present invention.Specific humidity, shows as being worth the ratio mixing of % The vapor content of the total air of thing is on the basis of quality.
The flow chart that Fig. 4 illustrates (A) and (B) technique of an embodiment of the present invention.(A) illustrate the basic mistake of the present invention Journey, while the optional step that (B) may be introduced in illustrating present invention process.
Specific embodiment
The charring process of some cellulosic materials will be disclosed in embodiment.The technique of the present invention is one non-for needed for making acquisition The inflammable heat absorption and exothermic reaction that correct degree of carbonization can be reached as the cellulosic material (wood) of construction material of drying Complex set.Existing charring process can be with reference to the acid (mainly acetic acid and formic acid) for being released from cellulose decomposition (degeneration), meeting Cause mechanical suitable material more fragile.
The present invention overcomes these problems, optimizes the hydrolysis of wood polysaccharose such as by controlling the pH value in environment (acid to neutrality), And it and most sufficient charring process window (temperature, gas, pH value, time and pressure) are combined into maximally effective to obtain The residual mass percentage ratio of preservative-treated timber, and with required performance (resistance to water, enough grindabilities, few fragility, highest Mechanical strength (process/cutting), the susceptibility for covering and protecting and slower degradation process).
Referring to Fig. 4 A, according to one embodiment, accelerate and improve different cultivars timber there is provided a charring process 100 Carbonization condition, including cork and hardwood, and the final cellulosic material product of the purpose built based on improving.The present invention Charring process 100 be related to different process sequences to improve the product applied in final building structure.The technique of the present invention The temperature that As time goes on final products are used is adjusted between 120 DEG C to 240 DEG C, including gas with various condition, is increased Reduce free radical while stiffened is spent as far as possible.It is related to sequence of events in the technique of the present invention, from ozone, nitrogen or rare gas Dry heat under (such as argon) gas starts, and is followed by vacuum drying, and temperature and humidity declines process.In order to prepare construction material And do not go to burn material, the control of temperature control and air is most important for carbonization level.The present invention technique it is main excellent Gesture is the decomposition that can control wood-cellulose to keep the sufficient mechanical strength needed for construction application, and the final product of control The color of product.
According to one embodiment of charring process 100, the cellulosic material of crystallization 10 for the first time may be subject to can be at 210 DEG C and to be arrived 240 DEG C, or from 210 DEG C to 235 DEG C, or from 210 DEG C to 230 DEG C, or from 210 DEG C to 225 DEG C, or from 210 DEG C to 220 DEG C, or From 210 DEG C to 215 DEG C, or about 215 DEG C to 240 DEG C, or from 215 DEG C to 235 DEG C, or from 215 DEG C to 230 DEG C, or from 215 DEG C to 225 DEG C, or from 215 DEG C to 220 DEG C, or about 220 DEG C to 240 DEG C, or from 220 DEG C to 235 DEG C, or from 220 DEG C to 230 DEG C, or From 220 DEG C to 225 DEG C, or about 225 DEG C to 240 DEG C, or from 225 DEG C to 235 DEG C, or from 225 DEG C to 230 DEG C, or about 230 DEG C are arrived 240 DEG C, or from 230 DEG C to 235 DEG C, or, about 235 DEG C to 240 DEG C, preferably at 230 DEG C.Crystallization for the first time may be about 10 About 45 minutes minutes, or from about 40 minutes about 10 minutes, or from about 10 minutes by 35 minutes, or from about 10 points Clock by 30 minutes, or from about 10 minutes by 25 minutes, or from about 10 minutes, 20 minutes, or from about 10 minutes to 15 points Clock, or from 15 minutes by 45 minutes, or from about 15 minutes by about 40 minutes, or from about 15 minutes by 35 minutes, or from About 15 minutes by 30 minutes, or from about 15 minutes by 25 minutes, or from about 15 minutes by 20 minutes, or from 20 minutes to 45 minutes, or from about 20 minutes by about 40 minutes, or from about 20 minutes by 35 minutes, or from about 20 minutes to 30 points Clock, or from about 20 minutes by 25 minutes, or from 25 minutes by 45 minutes, or from about 25 minutes by about 40 minutes, or from about 25 minutes by 35 minutes, or from about 25 minutes by 30 minutes, or from 30 minutes by 45 minutes, or from about 30 minutes to about 40 Minute, or from about 30 minutes to 35 minutes, from 35 minutes by 45 minutes, or from about 40 minutes about 35 minutes, Huo Zhecong 40 minutes to 45 minutes, preferably at 15 minutes.
The performed pressure of crystallization 10 is in about 25.4 kPas to about 101.4 kPas for the first time, or from about 25.4 kPas to about 91.3 kPas, or from about 25.4 kPas to about 81.1 kPas, or from about 25.4 kPas to about 76.1 kPas, or from about 25.4 kPas To about 71 kPas, or from about 25.4 kPas to about 60.8 kPas, or from about 25.4 kPas to about 50.7 kPas, or from about 25.4 thousand Handkerchief to about 40.6 kPas, or from about 25.4 kPas to about 33.8 kPas, or from about 33.8 kPas to about 101.4 kPas, or from about 33.8 kPas to about 91.3 kPas, or from about 33.8 kPas to about 81.1 kPas, or from about 33.8 kPas to about 76.1 kPas, or From about 33.8 kPas to about 71 kPas, or from about 33.8 kPas to about 60.8 kPas, or from about
33.8 kPas to about 50.7 kPas, or from about 33.8 kPas to about 40.6 kPas, or from about 40.6 kPas to about 101.4 thousand Handkerchief, or from about 40.6 kPas about 91.3 kPas, or from about 40.6 kPas to about 40.6 kPas, or from about 40.6 kPas to about 76.1 KPa, or from about 40.6 kPas to about 71 kPas, or from about 40.6 kPas to about 60.8 kPas, or from about 40.6 kPas to about 50.7 kPas, or from about 50.7 kPas to about 101.4 kPas, or from about 50.7 kPas to about 91.3 kPas, or from about 50.7 thousand Handkerchief to about 81.1 kPas, or from about 50.7 kPas to about 76.1 kPas, or from 50.7 kPas to about 71 kPas, or from about 50.7 thousand Handkerchief to about 60.8 kPas, or from about 60.8 kPas to about 101.4 kPas, or from about 60.8 kPas to about 91.3 kPas, or from about 60.8 kPas to about 81.1 kPas, or from about 60.8 kPas to about 76.1 kPas, or from about 60.8 kPas to about 71 kPas, or from About 71 kPas to about 101.4 kPas, or from about 71 kPas to about 91.3 kPas, or from 71 kPas to about 81.1 kPas, or From 71 kPas to about 76.1 kPas, or from about 76.1 kPas to about 101.4 kPas, or from about 76.1 kPas to about 91.3 kPas, Or from about 76.1 kPas to about 81.1 kPas, or from about 81.1 kPas to about 101.4 kPas, or from about 81.1 kPas to about 91.3 KPa, or from about 91.3 kPas to about 101.4 kPas, preferably at 50.7 kPas (0.5atm).
In embodiment, environment of the crystallization in ozone, nitrogen or rare (inertia) gas (such as helium, neon, argon, krypton, xenon) for the first time is performed In carry out, preferred nitrogen.
This step may followed by lignin decomposition step 20, in 170 DEG C to 200 DEG C, or from 170 DEG C to 195 DEG C, or from 170 DEG C to 190 DEG C, or from 170 DEG C to 185 DEG C, or from 170 DEG C to 180 DEG C, or from 170 DEG C to 175 DEG C, or from 175 DEG C to 200 DEG C, or from 175 DEG C to 195 DEG C, or from 175 DEG C to 190 DEG C, or from 175 DEG C to 185 DEG C, or from 175 DEG C to 180 DEG C, or From 180 DEG C to 200 DEG C, or from 180 DEG C to 195 DEG C, or from 180 DEG C to 190 DEG C, or from 180 DEG C to 185 DEG C, or from 185 DEG C to 200 DEG C, or from 185 DEG C to 195 DEG C, or from 185 DEG C to 190 DEG C, or from 190 DEG C to 200 DEG C, or from 190 DEG C to 195 DEG C, or From about 195 DEG C to 200 DEG C, preferably 180 DEG C.Lignin decomposition step be probably about 15 minutes by 35 minutes, or from about 15 minutes by 30 minutes, or from about 15 minutes by 25 minutes, or from about 15 minutes by 20 minutes, or from about 20 minutes to 35 minutes, or from about 20 minutes by 30 minutes, or from about 20 minutes by 25 minutes, or from about 25 minutes by 35 minutes, or From about 25 minutes by 30 minutes, or from about 30 minutes to 35 minutes, preferably 20 minutes.
Second step (lignin decomposes 20) may perform about 50.7 kPas to about 101.4 kPas of pressure, or about 50.7 kPas To about 91.3 kPas, or about 50.7 kPas to about 81.1 kPas, or about 50.7 kPas to about 76.1 kPas, or about 50.7 kPas are arrived About 71 kPas, or about 50.7 kPas to about 60.8 kPas, or from about 60.8 kPas to about 101.4 kPas, or about 60.8 kPas are arrived About 91.3 kPas, or about 60.8 kPas to about 81.1 kPas, about 60.8 kPas to about 76.1 kPas, or 60.8 kPas arrive about 71,000 Handkerchief, or from about 71 kPas to about 101.4 kPas, or about 71 kPas to about 91.3 kPas, or about 71 kPas to about 81.1 kPas, Or about 71 kPas to about 76.1 kPas, or from about 76.1 kPas to about 101.4 kPas, or about 76.1 kPas to about 91.3 kPas, Or about 76.1 kPas to about 81.1 kPas, or from about 81.1 kPas to about 101.4 kPas, or about 81.1 kPas are arrived about 91.3 thousand Handkerchief, or from about 91.3 kPas to about 101.4 kPas, preferably 101.4 kPas (1atm).
Second step (lignin decompose 20) may perform under an inert gas (as nitrogen or rare (inertia) gas (as helium, Neon, argon, krypton, xenon) gas, preferred nitrogen), optional 0.05-0.1% ammonia.
The cellulosic material of second crystallization 30 may be subject to can be at about 205 DEG C to about 230 DEG C, or from about 205 DEG C to about 225 DEG C, or from about 205 DEG C to about 220 DEG C, or from about 205 DEG C to about 215 DEG C, or from about 205 DEG C to about 210 DEG C, or from about 210 DEG C to about 230 DEG C, or from about 210 DEG C to about 225 DEG C, or from about 210 DEG C to about 220 DEG C, or from about 210 DEG C to about 215 DEG C, or from about 215 DEG C to about 230 DEG C, or from about 215 DEG C to about 225 DEG C, or from about 215 DEG C to about 220 DEG C, or from about 220 DEG C To about 230 DEG C, or from about 220 DEG C to about 225 DEG C, or from about 225 DEG C to about 230 DEG C, preferably from about 210 DEG C to about 210 DEG C, most preferably It is about 215 DEG C.
Second crystallization 30 may be about 15 minutes by 90 minutes, or from about 15 minutes by 85 minutes, or from about 15 minutes By 80 minutes, or from about 15 minutes by 75 minutes, or from about 15 minutes by 70 minutes, or from about 15 minutes to 65 points Clock, or from about 15 minutes by 60 minutes, or from about 15 minutes by 55 minutes, or from about 15 minutes by about 50 minutes, Or from about 15 minutes by 45 minutes, or from about 15 minutes by about 40 minutes, or from about 15 minutes by 35 minutes, or from About 15 minutes by 30 minutes, or from about 15 minutes by 25 minutes, or from about 15 minutes by 20 minutes, or from about 20 points Clock by 90 minutes, or from about 20 minutes by 85 minutes, or from about 20 minutes by 80 minutes, or from about 20 minutes to 75 points Clock, or from about 20 minutes by 70 minutes, or from about 20 minutes by 65 minutes, or from about 20 minutes by 60 minutes, or from About 20 minutes by 55 minutes, or from about 20 minutes by about 50 minutes, or from about 20 minutes by 45 minutes, or from big About 20 minutes to about 40 minutes, or from about 20 minutes by 35 minutes, or from about 20 minutes by 30 minutes, or from about 20 points Clock by 25 minutes, or from about 25 minutes by 90 minutes, or from about 25 minutes by 85 minutes, or from about 25 minutes by 80 minutes, or From about 25 minutes by 75 minutes, or from about 25 minutes by 70 minutes, or from about 25 minutes by 65 minutes, or from about 25 minutes to 60 Minute, or from about 25 minutes by 55 minutes, or from about 25 minutes by about 50 minutes, or from about 25 minutes by 45 minutes, or from About 40 minutes about 25 minutes, or from about 25 minutes by 35 minutes, or from about 25 minutes by 30 minutes, or from about 30 minutes to 90 minutes, or from about 30 minutes by 85 minutes, or from about 30 minutes by 80 minutes, or from about 30 minutes by 75 minutes, Or from about 30 minutes by 70 minutes, or from about 30 minutes by 65 minutes, or from about 30 minutes by 60 minutes, or from about 30 minutes by 55 minutes, or from about 30 minutes by about 50 minutes, or from about 30 minutes by 45 minutes, or from about 30 Minute arrive about 40 minutes, or from about 30 minutes by 35 minutes, or from about 35 minutes by 90 minutes, or from about 35 minutes to 85 minutes, or from about 35 minutes by 80 minutes, or from about 35 minutes by 75 minutes, or from about 35 minutes by 70 minutes, Or from about 35 minutes by 65 minutes, or from about 60 minutes 35 minutes, or from 55 minutes about 35 minutes, or from 35 minutes about 50 points Clock, or from about 45 minutes about 35 minutes, or from about 40 minutes about 35 minutes, or from about 40 minutes by 90 minutes, or From about 40 minutes by 85 minutes, or from about 40 minutes by 80 minutes, or from about 40 minutes by 75 minutes, or from about 40 Minute by 70 minutes, or from about 40 minutes by 65 minutes, or from about 40 minutes by 60 minutes, or from about 40 minutes to 55 Minute, or from about 40 minutes by about 50 minutes, or from about 40 minutes by 45 minutes, or from about 45 minutes to 90 points Clock, or from about 45 minutes by 85 minutes, or from about 45 minutes by 80 minutes, or from about 45 minutes by 75 minutes, or from About 45 minutes by 70 minutes, or from about 45 minutes by 65 minutes, or from about 45 minutes by 60 minutes, or from about 45 points Clock by 55 minutes, or from about 45 minutes by about 50 minutes, or from about 50 minutes by 90 minutes, or from about 50 minutes to 85 points Clock, or from about 50 minutes by 80 minutes, or from about 50 minutes by 75 minutes, or from about 50 minutes by 70 minutes, or from about 50 points Clock by 65 minutes, or from about 60 minutes about 50 minutes, or from 55 minutes about 50 minutes, or from 55 minutes by 90 minutes, or from 55 Minute by 85 minutes, or from 55 minutes by 80 minutes, or from 55 minutes by 75 minutes, or from 55 minutes by 70 minutes, or from 55 Minute by 65 minutes, or from about 60 minutes about 55 minutes, or from about 60 minutes by 90 minutes, or from about 60 minutes by 85 minutes, Or from about 60 minutes by 80 minutes, or from about 60 minutes by 75 minutes, or from about 60 minutes by 70 minutes, or from about 60 minutes to 65 minutes, or from about 65 minutes by 90 minutes, or from about 65 minutes by 85 minutes, or from about 65 minutes to 80 points Clock, or from about 65 minutes by 75 minutes, or from about 65 minutes by 70 minutes, or from about 70 minutes by 90 minutes, or from About 70 minutes by 85 minutes, or from about 70 minutes by 80 minutes, or from about 70 minutes by about 75 minutes, or from about 75 Minute by 90 minutes, or from about 75 minutes by 85 minutes, or from about 75 minutes by 80 minutes, or from about 80 minutes by 90 minutes, Or from about 80 minutes by 85 minutes, or from about 85 minutes to 90 minutes, preferably 30 minutes to 50 minutes, be most preferably 30 minutes.
The execution of this step 30 is relevant with pressure, can be at about 50.7 kPas to 101.4 kPas, or about 50.7 kPas to about 91.3 KPa, or about 50.7 kPas to about 81.1 kPas, or about 50.7 kPas to about 76.1 kPas, or about 50.7 kPas to about 71,000 Handkerchief, or about 50.7 kPas to about 60.8 kPas, or from about 60.8 kPas to about 101.4 kPas, or about 60.8 kPas to about 91.3 KPa, or about 60.8 kPas to about 81.1 kPas, or about 60.8 kPas to about 76.1 kPas, or about 60.8 kPas to about 71,000 Handkerchief, or from 71 kPas to about 101.4 kPas, or about 71 kPas to about 91.3 kPas, or about 71 kPas to about 81.1 kPas, or about 71 kPas to about 76.1 kPas, or from about 76.1 kPas to about 101.4 kPas, or about 76.1 kPas to about 91.3 kPas, or about 76.1 kPas to about 81.1 kPas, or from about 81.1 kPas to about 101.4 kPas, or about 81.1 kPas to about 91.3 kPas, or From about 91.3 kPas to about 101.4 kPas, preferably about 20.3 kPas (0.2atm), in order to increase the intensity of cellulosic material. Step 30 can carry out (such as nitrogen or rare (inertia) gas (such as helium, neon, argon, krypton, xenon) gas) under an inert gas, preferably Nitrogen, in order to increase the intensity of cellulosic material.
Cellulosic material and then experience in moisture balance step 40, be in about 50 DEG C to about 95 DEG C, or about 50 DEG C to about 90 DEG C, Or about 50 DEG C to about 85 DEG C, or about 50 DEG C to about 80 DEG C, or about 50 DEG C to about 75 DEG C, or about 50 DEG C to about 70 DEG C, or about 50 DEG C To about 65 DEG C, or about 50 DEG C to about 60 DEG C, or about 50 DEG C to about 55 DEG C, or from about 55 DEG C to about 95 DEG C, or about 55 DEG C to about 90 DEG C, or about 55 DEG C to about 85 DEG C, or about 55 DEG C to about 80 DEG C, or about 55 DEG C to about 75 DEG C, or about 55 DEG C to about 70 DEG C, or about 55 DEG C to about 65 DEG C, or about 55 DEG C to about 60 DEG C, or about 55 DEG C to about 55 DEG C, or from about 60 DEG C to about 95 DEG C, or about 60 DEG C to about 90 DEG C, or about 60 DEG C to about 85 DEG C, or about 60 DEG C to about 80 DEG C, or about 60 DEG C to about 75 DEG C, or about 60 DEG C to about 70 DEG C, or about 60 DEG C to about 65 DEG C, or from about 65 DEG C to about 95 DEG C, or about 65 DEG C to about 90 DEG C, or about 65 DEG C to about 85 DEG C, or about 65 DEG C extremely About 80 DEG C, or about 65 DEG C to about 75 DEG C, or about 65 DEG C to about 70 DEG C, or from about 70 DEG C to about 95 DEG C, or about 70 DEG C to about 90 DEG C, Or about 70 DEG C to about 85 DEG C, or about 70 DEG C to about 80 DEG C, or about 70 DEG C to about 75 DEG C, or from about 75 DEG C to about 95 DEG C, or about 75 DEG C to about 90 DEG C, or about 75 DEG C to about 85 DEG C, or about 75 DEG C to about 80 DEG C, or from about 80 DEG C to about 95 DEG C, or about 80 DEG C to about 90 DEG C, or about 80 DEG C to about 85 DEG C, or from about 85 ° DEG C to about 95 DEG C, or about 85 DEG C to about 90 DEG C, or from about 90 DEG C to about 95 DEG C, preferably 95 DEG C, third front cellulosic-based material be back to room temperature (about 25 DEG C) and normal atmosphere (An) (about 101.325 thousand Handkerchief).
Water balance step 40 can be about 60 minutes to about 120 minutes, or from about 60 minutes to about 115 minutes, or from about 60 minutes to about 110 minutes, or from about 60 minutes to about 105 minutes, or from about 60 minutes to about 100 minutes, Huo Zhecong About 60 minutes to about 95 minutes, or from about 60 minutes to about 90 minutes, or from about 60 minutes to about 85 minutes, or from about 60 Minute to about 80 minutes, or from about 60 minutes to about 75 minutes, or from about 60 minutes to about 70 minutes, or from about 60 points Zhong Zhiyue 65 minutes, or from about 65 minutes to about 120 minutes, or from about 65 minutes to about 115 minutes, or about 65 minutes to about 110 minutes, or about 65 minutes to about 105 minutes, or about 65 minutes to about 100 minutes, or from about 65 minutes to about 95 minutes, Or about 65 minutes to about 90 minutes, or about 65 minutes to about 85 minutes, or about 65 minutes to about 80 minutes, or about 65 minutes to about 75 minutes, or from about 65 minutes to about 70 minutes, or from about 70 minutes to about 120 minutes, or from about 70 minutes to about 115 Minute, or from about 70 minutes to about 110 minutes, or from about 70 minutes to about 105 minutes, or from about 70 minutes to about 100 Minute, or from about 70 minutes to about 95 minutes, or from about 70 minutes to about 90 minutes, or from about 70 minutes to about 85 points Clock, or from about 70 minutes to about 80 minutes, or from about 70 minutes to about 75 minutes, or about 75 minutes to about 120 minutes or About 75 minutes to about 115 minutes, or from about 75 minutes to about 110 minutes, or from about 75 minutes to about 105 minutes, or From about 75 minutes to about 100 minutes, or from about 75 minutes to about 95 minutes, or from about 75 minutes to about 90 minutes, or about 75 Minute to about 85 minutes, or about 75 minutes to about 80 minutes, or from about 80 minutes to about 120 minutes, or from about 80 minutes To about 115 minutes, or from about 80 minutes to about 110 minutes, or from about 80 minutes to about 105 minutes, or from about 80 minutes To about 100 minutes, or from about 80 minutes to about 95 minutes, or from about 80 minutes to about 90 minutes, or from about 80 minutes To about 85 minutes, or about 120 minutes about 85 minutes, or from about 85 minutes to about 115 minutes, or from about 85 minutes to about 110 minutes, or from about 85 minutes to about 105 minutes, or from about 85 minutes to about 100 minutes, or about 85 minutes arrive about 95 Minute, or from about 85 minutes to about 90 minutes, or from about 90 minutes to about 120 minutes, or from about 90 minutes to about 115 Minute, or from about 90 minutes to about 110 minutes, or from about 90 minutes by about 105 minutes, or from about 90 minutes to about 100 minutes, or from about 90 minutes to about 95 minutes, or from about 95 minutes to about 120 minutes, or from about 95 minutes to about 115 minutes, or about 110 minutes about 95 minutes, or from about 95 minutes to about 105 minutes, or from about 95 minutes to about 100 Minute, or from about 100 minutes to about 120 minutes, or from about 100 minutes to about 115 minutes, or from about 100 minutes about 110 minutes, or from about 100 minutes to about 105 minutes, or from about 105 minutes to about 120 minutes, or from about 105 minutes To about 115 minutes, or from about 105 minutes to about 110 minutes, or from about about 120 minutes 110 minutes, or from about 110 Minute was to about 115 minutes, or from about 115 minutes to about 120 minutes, in preferably 60 minutes, cellulosic-based material was back to room Before warm (about 25 DEG C) and normal atmosphere (An) (about 101.325 kPas).
Water balance step 40 can be carried out under stress, and with about 10.2 kPas to about 75.2 kPas, or about 10.2 kPas to about 71 KPa, or about 10.2 kPas to about 60.8 kPas, or about 10.2 kPas to about 50.7 kPas, or about 10.2 kPas to about 40.6 thousand Handkerchief, or about 10.2 kPas to about 33.8 kPas, or about 10.2 kPas to about 25.4 kPas, or about 10.2 kPas to about 20.3 thousand Handkerchief, or about 20.3 kPas to about 75.2 kPas, or about 20.3 kPas to about 71 kPas, or about 20.3 kPas to about 60.8 kPas, Or about 20.3 kPas to about 50.7 kPas, or about 20.3 kPas to about 40.6 kPas, or about 20.3 kPas to about 33.8 kPas, or About 20.3 kPas to about 25.4 kPas, or about 25.4 kPas to about 75.2 kPas, or about 25.4 kPas to about 71 kPas, or about 25.4 kPas to about 60.8 kPas, or about 25.4 kPas to about 50.7 kPas, or about 25.4 kPas to about 40.6 kPas, or about 25.4 kPas to about 33.8 kPas, or about 33.8 kPas to about 75.2 kPas, or about 33.8 kPas to about 71 kPas, or about 33.8 KPa to about 60.8 kPas, or about 33.8 kPas to about 50.7 kPas, or about 33.8 kPas to about 40.6 kPas, or about 40.6 thousand Handkerchief to about 75.2 kPas, or about 40.6 kPas to about 71 kPas, or about 40.6 kPas to about 60.8 kPas, or about 40.6 kPas extremely About 50.7 kPas, or about 50.7 kPas to about 75.2 kPas, or about 50.7 kPas to about 71 kPas, or about 50.7 kPas to about 60.8 kPas, or about 60.8 kPas to about 75.2 kPas, or about 60.8 kPas to about 71 kPas, or from about 71 kPas to about 75.2 kPas, preferably 50.7 kPas (0.5 atmospheric pressure), existing cellulosic-based material are back to room temperature (about 25 DEG C to) and just Normal atmospheric pressure (about 101.325 kPas).According to one embodiment, gas balance step 40 is had about 40%, 50%, 60%, Carry out under the gas of humidity, or about 40% to about 60%, or from about 40% to about 55%, or from about 40% to about 50%, or about 40% to about 45%, or from about 45% to about 60%, or from about 45% to about 55%, or about 45% to about 50%, %, or from About 50% to about 60%, or from about 50% to about 55%, or about 55% to about 60%, preferably 50% humidity.
With reference now to Fig. 4 B, the technique of the present invention can include the several optional step of the characteristic of the material for further improving cellulose Suddenly.
According to one embodiment, the method may include the optional gas and acid extraction step prior to first time crystallization 10 Rapid 12 this step can carry out for about 90 minutes to about 120 minutes, or from about 90 minutes to about 115 minutes, or from about 90 Minute to about 110 minutes, or from about 90 minutes to about 105 minutes, or from about 90 minutes to about 100 minutes, or from about 90 minutes to about 95 minutes, or from about 95 minutes to about 120 minutes, or from about 95 minutes to about 115 minutes, or from about 95 minutes to about 110 minutes, or from about 95 minutes to about 105 minutes, or from about 95 minutes to about 100 minutes, Huo Zhecong About 100 minutes to about 120 minutes, or from about 100 minutes to about 115 minutes, or from about 100 minutes to about 110 minutes, or Person from about 100 minutes to about 105 minutes, or from about 105 minutes to about 120 minutes, or from about 105 minutes to about 115 points Clock, or from about 105 minutes to about 110 minutes, or from about 110 minutes to about 120 minutes, or from about 110 minutes to about 115 minutes, or from about 115 minutes to about 120 minutes.
Step 12 can be carried out at about 120 DEG C to about 140 DEG C, or from about 120 DEG C to about 135 DEG C, or from about 120 DEG C to about 130 DEG C, or from about 120 DEG C to about 125 DEG C, or from about 125 DEG C to about 140 DEG C, or from about 125 DEG C to about 135 DEG C, or from about 125 DEG C To about 130 DEG C, or from about 130 DEG C to about 140 DEG C, or from about 130 DEG C to about 135 DEG C, or from about 135 DEG C to about 140 DEG C.
Step 12 can be carried out under about 70 kPas to about 110 kPas, or from about 70 kPas to about 105 kPas, or from about 70 KPa to about 100 kPas, or from about 70 kPas to about 95 kPas, or from about 70 kPas to about 90 kPas, or from about 70 KPa to about 85 kPas, or from about 70 kPas to about 80 kPas, or from about 70 kPas to about 75 kPas, or from about 75,000 Handkerchief to about 110 kPas, or from about 75 kPas to about 105 kPas, or from about 75 kPas to about 100 kPas, or from about 75 KPa to about 95 kPas, or from about 75 kPas to about 90 kPas, or from about 75 kPas to about 85 kPas, or from about 75,000 Handkerchief to about 80 kPas, or from about 80 kPas to about 110 kPas, or from about 80 kPas to about 105 kPas, or from about 80,000 Handkerchief to about 100 kPas, or from about 80 kPas to about 95 kPas, or from about 80 kPas to about 90 kPas, or from about 80,000 Handkerchief to about 85 kPas, or from about 85 kPas to about 110 kPas, or from about 85 kPas to about 105 kPas, or from about 85,000 Handkerchief to about 100 kPas, or from about 85 kPas to about 95 kPas, or from about 85 kPas to about 90 kPas, or from about 90,000 Handkerchief to about 110 kPas, or from about 90 kPas to about 105 kPas, or from about 90 kPas to about 100 kPas, or from about 90 KPa to about 95 kPas, or from about 95 kPas to about 110 kPas, or from about 95 kPas to about 105 kPas, or from about 95 KPa to about 100 kPas, or from about 100 kPas to about 110 kPas, or from about 100 kPas to about 105 kPas, Huo Zhecong About 105 kPas to about 100 kPas, or from about 71 kPas to about 101.4 kPas, or about 71 kPas to about 91.3 kPas, or about 71 kPas to about 81.1 kPas, or about 71 kPas to about 76.1 kPas, or about 76.1 kPas to about 101.4 kPas, or about 76.1 KPa to about 91.3 kPas, or about 76.1 kPas to about 81.1 kPas, or about 81.1 kPas to about 101.4 kPas, or about 81.1 KPa to about 91.3 kPas, or about 91.3 kPas to about 101.4 handkerchiefs.
According to another embodiment, the method may include optional hemicellulose step of converting 32, and which can be at about 145 DEG C to about Carry out at 195 DEG C, or from about 145 DEG C to about 190 DEG C, or from about 145 DEG C to about 185 DEG C, or from about 145 DEG C to about 180 DEG C, or From about 145 DEG C to about 175 DEG C, or from about 145 DEG C to about 170 DEG C, or from about 145 DEG C to about 165 DEG C, or from about 145 DEG C to about 160 DEG C, or from about 145 DEG C to about 155 DEG C, or from about 145 DEG C to about 150 DEG C, or from about 150 DEG C to about 195 DEG C, or from about 150 DEG C to about 190 DEG C, or from about 150 DEG C to about 185 DEG C, or from about 150 DEG C to about 180 DEG C, or from about 150 DEG C to about 175 DEG C C or for about 150 DEG C to about 110 DEG C, or from about 150 DEG C to about 165 DEG C, or from about 150 DEG C to about 160 DEG C, or from about 150 DEG C to About 155 DEG C, or from about 155 DEG C to about 195 DEG C, or from about 155 DEG C to about 190 DEG C, or from about 155 DEG C to about 185 DEG C, or from about 155 DEG C to about 180 DEG C, or from about 155 DEG C to about 175 DEG C, or from about 155 DEG C to about 110 DEG C, or from about 155 DEG C to about 165 DEG C, or from about 155 DEG C to about 160 DEG C, or from about 160 DEG C to about 195 DEG C, or from about 160 DEG C to about 190 DEG C, or from about 160 DEG C To about 185 DEG C, or from about 160 DEG C to about 180 DEG C, or from about 160 DEG C to about 175 DEG C, or from about 160 DEG C to about 110 DEG C, or from About 160 DEG C to about 165 DEG C, or from about 165 DEG C to about 195 DEG C, or from about 165 DEG C to about 190 DEG C, or from about 165 DEG C to about 185 DEG C, or from about 165 DEG C to about 180 DEG C, or from about 165 DEG C to about 175 DEG C, or from about 165 DEG C to about 170 DEG C, or from about 170 DEG C To about 195 DEG C of C, or from about 170 DEG C to about 190 DEG C, or from about 170 DEG C to about 185 DEG C, or from about 170 DEG C to about 180 DEG C, or From about 170 DEG C to about 175 DEG C, or from about 175 DEG C to about 195 DEG C, or from about 175 DEG C to about 190 DEG C, or from about 175 DEG C to about 185 DEG C, or from about 175 DEG C to about 180 DEG C, or from about 180 DEG C to about 195 DEG C, or from about 180 DEG C to about 190 DEG C, or from about 180 DEG C to about 185 DEG C, or from about 185 DEG C to about 195 DEG C, or from about 185 DEG C to about 190 DEG C, or from about 190 DEG C to about 195 DEG C, preferably 195 DEG C.
Step 32 can carry out about 10 minutes~about 25 minutes, or about 10 minutes to about 20 minutes, or about 10 minutes to about 15 minutes The conversion of optional hemicellulose, or from about 15 minutes to about 25 minutes, or about 15 minutes to about 20 minutes, or about 20 minutes extremely About 25 minutes, preferably 15 minutes.
Optional hemicellulose step of converting 32 can be carried out under 70 kPas to about 110 kPas, or from about 70 kPas to about 105 KPa, or from about 70 kPas to about 100 kPas, or from about 70 kPas to about 95 kPas, or from about 70 kPas to about 90,000 Handkerchief, or from about 70 kPas to about 85 kPas, or from about 70 kPas to about 80 kPas, or from about 70 kPas to about 75,000 Handkerchief, or from about 75 kPas to about 110 kPas, or from about 75 kPas to about 105 kPas, or from about 75 kPas to about 100,000 Handkerchief, or from about 75 kPas to about 95 kPas, or from about 75 kPas to about 90 kPas, or from about 75 kPas to about 85,000 Handkerchief, or from about 75 kPas to about 80 kPas, or from about 80 kPas to about 110 kPas, or from about 80 kPas to about 105,000 Handkerchief, or from about 80 kPas to about 100 kPas, or from about 80 kPas to about 95 kPas, or from about 80 kPas to about 90 kPas, Or from about 80 kPas to about 85 kPas, or from about 85 kPas to about 110 kPas, or from about 85 kPas to about 105 kPas, Or from about 85 kPas to about 100 kPas, or from about 85 kPas to about 95 kPas, or from about 85 kPas to about 90 kPas, or Person from about 90 kPas to about 110 kPas, or from about 90 kPas to about 105 kPas, or from about 90 kPas to about 100 kPas, Or from about 90 kPas to about 95 kPas, or from about 95 kPas to about 110 kPas, or from about 95 kPas to about 105 kPas, or Person from about 95 kPas to about 100 kPas, or from about 100 kPas to about 110 kPas, or from about 100 kPas to about 105 kPas, Or from about 105 kPas to about 100 kPas, or from about 71 kPas to about 101.4 kPas, or about 71 kPas to about 91.3 thousand Handkerchief, or about 71 kPas to about 81.1 kPas, or about 71 kPas to about 76.1 kPas, or about 76.1 kPas to about 101.4 kPas, or About 76.1 kPas to about 91.3 kPas, or about 76.1 kPas to about 81.1 kPas, or about 81.1 kPas to about 101.4 kPas, or About 81.1 kPas about 91.3 kPas, or about 91.3 kPas to about 101.4 kPas, preferably 101.4 kPas.Hemicellulose conversion step Rapid 32 can be carried out under nitrogen-ammonia gas, and for example in the nitrogen comprising about 0.05 to 0.1% ammonia, (relative concentration is relative to total Gas).
According to another embodiment, the method for the present invention can include Slow cooling initial step 34, after first time crystallization 30, About 210 DEG C about 1 minute, under about 91.3 kPas (0.9 atmospheric pressure).
According to another embodiment, it is other carbonization 34 that the method for the present invention can replace Slow cooling initial step, This is carried out at about 110 DEG C~about 130 DEG C, or about 110 DEG C to about 125 DEG C, or about 110 DEG C to about 120 DEG C, or about 110 DEG C To about 115 DEG C, or about 115 DEG C to about 130 DEG C, or about 115 DEG C to about 125 DEG C, or about 115 DEG C to about 120 DEG C, or about 120 DEG C To about 130 DEG C, or about 120 DEG C to about 125 DEG C, or about 125 DEG C to about 130 DEG C, preferably 120 DEG C.Carbonization 34 can be carried out About 30 minutes to about 50 minutes, or about 30 minutes to about 45 minutes or about 30 minutes to about 40 minutes or about 30 minutes to about 35 points Zhong Congyue be for about 35 minutes to about 50 minutes, or from about 35 minutes to about 45 minutes or about 35 minutes to about 40 minutes or about 40 minutes to about 50 minutes, or about 40 minutes to about 45 minutes, or about 45 minutes to about 50 minutes, preferably 45 minutes, about 91.3 to about 110 kPas, or about 91.3 to about 101.4 kPas, preferably 101.4 kPas.
Additionally, according in another embodiment, can and then in pressing step 36, at about 175 DEG C to about after carbonization 34 Carry out at 190 DEG C, or from about 175 DEG C to about 185 DEG C, or from about 175 DEG C to about 180 DEG C, or from about 180 DEG C to about 190 DEG C, or From about 180 DEG C to about 185 DEG C, or from about 185 DEG C to about 190 DEG C, preferably 180 DEG C, at about 10 minutes to about 20 minutes, or about 10 minutes to about 15 minutes, or about 15 minutes to about 20 minutes, preferably 15 minutes, at about 81.1 kPas to about 101.4 kPas, or About 81.1 kPas to about 91.3 kPas, or about 91.3 kPas (0.9 atmospheric pressure) to about 101.4 kPas (1 atmospheric pressure).The present invention will The present invention is understood with more being had a thorough knowledge of by the following example, its objective is to make it possible to be more easily understood rather than Limit its scope.
Example 1
Exemplary processes #1
According to one embodiment, the method for the present invention be one for control the decomposition of natural organic polymeric materials and the temperature made and when Between circulation, wherein give the characteristic of construction material or element needed for which, such as each layer of moisture of the material of cellulose, Stability, ruggedness, intensity, toughness, weatherability, coating character and glue performance.
According to one embodiment of present invention, carbonizing apparatus, circulates according to specified temp and time, and alternate gas or vacuum Injection.Such as following table describes the technique by realizing the structural material step for providing optimization in single device:
Table 1- exemplary process #1
Example 2
Exemplary process #2
According to another embodiment, the method for the present invention can relate to the following circulation in carbonizing apparatus:
Table 2- example flows #2
Example 3
Exemplary processes #3
According to another embodiment, the minimum of the method for the present invention must step processing cellulosic-based material and suitably repair The Nomenclature Composition and Structure of Complexes of the material for changing is:
Table 3- exemplary process #3
In other steps proposed by the present invention by according to expected purposes limiting the desirable characteristics of timber.
Example 4
Circulation technology under controlled air
Fig. 3 is described in the flow chart for specifying the technique change of controlled air in kiln.Injection noble gases and/or ammonia are (to neutralize Acid) durability of timber has been significantly increased.
Embodiments of the present invention are described above in conjunction with drawings and Examples, the structure that embodiment is provided is not constituted to this Bright restriction, according to the adjustment for needing to make in protection domain.

Claims (42)

1. a kind of charring process based on cellulosic material, it is characterised in that include:
1)Cellulose carries out first time crystallization at a temperature of about 210 °C to about 240 °C, and about 10 minutes time is to about 45 minutes, pressure was of about 25.4 kPas to about 101.4 kPas;
2) lignose material is decomposed at a temperature of 170 °C to 200 °C, about 15 minutes time by 35 minutes, lazy In the environment of the pressure of property gas is of about 50.8 kPas to about 101.4 kPas;
3) cellulosic material carries out second crystallization at a temperature of about 205 °C to about 230 °C, and about 15 minutes time arrived 90 minutes, about 50.8 kPas to about 101.4 kPas of pressure, period is under noble gases with increase cellulosic material Intensity;
4) at a temperature of about 50 °C to about 95 °C, the time is of about 60 minutes to greatly to the water balance of cellulosic material About 120 minutes, pressure was for about 10.2 kPas to about 75.2 kPas, and cellulosic material is preferentially back to room temperature (about 25 °C) and normally Under atmospheric pressure (about 101.325 kPas).
2. charring process according to claim 1, it is characterised in that:Crystallization can be in ozone, nitrogen or an inertia for the first time Carry out in gas.
3. charring process according to claim 2, it is characterised in that:Crystallization for the first time can be carried out in nitrogen.
4. charring process according to claim 1, it is characterised in that:Crystallization for the first time can be at 230 °C.
5. according to arbitrary described charring process in Claims 1-4, it is characterised in that:Crystallization for the first time can last about 15 points Clock.
6. according to arbitrary described a kind of charring process in claim 1 to 5, it is characterised in that:First subcrystalline air pressure can In about 50.7 kPas (0.5 atm).
7. according to arbitrary described a kind of charring process in claim 1 to 6, it is characterised in that:Lignin decomposition can be at about 180°C。
8. according to arbitrary described a kind of charring process in claim 1 to 7, it is characterised in that:Lignin decomposition can be about 20 Minute.
9. according to arbitrary described a kind of charring process in claim 1 to 8, it is characterised in that:Lignin decomposition can be about 101.4 kPas (about 1 atm).
10. according to arbitrary described charring process in claim 1 to 9, it is characterised in that:Lignin decomposes can be in noble gases Under carry out.
11. charring process according to claim 10, it is characterised in that:Noble gases are nitrogen.
12. according to arbitrary described charring process in claim 1 to 10, it is characterised in that:Lignin decomposes and further can account for With 0.05-0.1% ammonia for existing.
13. according to arbitrary described charring process in claim 1 to 12, it is characterised in that:Lignin decomposes can be in nitrogen-ammonia Carry out under body.
14. according to arbitrary described charring process in claim 1 to 13, it is characterised in that:Second crystallization can be at being about 210 °C to 215 °C.
15. according to arbitrary described charring process in claim 1 to 14, it is characterised in that:Sustainable 30 points are crystallized for the second time Clock to 50 minutes.
16. according to arbitrary described charring process in claim 1 to 15, it is characterised in that:The step of water balance, can be at About 81.1 kPa 0.8 (atm) is about 101.4 kPas (about 1 atm).
17. according to arbitrary described charring process in claim 14 to 16, it is characterised in that:Second crystallization includes continuing 30 The Slow cooling step of minute, described water balance step.
18. according to arbitrary described a kind of charring process based on cellulosic material in claim 14 to 17, it is characterised in that: Second crystallization includes that one drops to about 20.3 kPas(0.2 atmospheric pressure)Drop of pressure process.
19. according to arbitrary described a kind of charring process based on cellulosic material in claim 14 to 18, it is characterised in that: Second crystallization is carried out in a nitrogen environment.
20. according to arbitrary described a kind of charring process based on cellulosic material in claim 1 to 16, it is characterised in that: Water balance step is carried out in about 95 DEG C.
21. according to arbitrary described a kind of charring process based on cellulosic material in claim 1 to 20, it is characterised in that: Water balance step lasts about 60 minutes.
22. according to arbitrary described a kind of charring process based on cellulosic material in claim 1 to 21, it is characterised in that: Water balance step is at about 50.7 kPas(About 0.5atm)In carry out.
23. according to arbitrary described a kind of charring process based on cellulosic material in claim 1 to 21, it is characterised in that: Water balance step is at about 81.1 kPas(0.8 atm)To about 101.4 kPas(1 atm)In carry out.
24. according to arbitrary described a kind of charring process based on cellulosic material in claim 1 to 23, it is characterised in that: Water balance step may be carried out in atmospheric humidity about 50%.
25. according to arbitrary described a kind of charring process based on cellulosic material in claim 1 to 21, it is characterised in that: Charring process may further include gas and sour extraction step, before first time crystallizes.
A kind of 26. charring process based on cellulosic material according to claim 25, it is characterised in that:The gas and Sour extraction step may be about 120 °C.
27. according to a kind of charring process based on cellulosic material described in claim 25 or 26, it is characterised in that:Gas Sour extraction step is probably 90 minutes to 120 minutes.
28. according to arbitrary described a kind of charring process based on cellulosic material in claim 25 to 27, it is characterised in that: Gas and sour extraction step may be about 101.4 kPas (about 1 atm).
29. according to arbitrary described a kind of charring process based on cellulosic material in claim 1 to 28, it is characterised in that: Carbonization process may further include to constitute hemicellulose switch process, after second crystallizes.
30. according to a kind of charring process based on cellulosic material described in claim 29, it is characterised in that:Hemicellulose Switch process may be about 195 °C.
31. according to a kind of charring process based on cellulosic material described in claim 29, it is characterised in that:Hemicellulose Switch process may about 15 minutes.
32. according to a kind of charring process based on cellulosic material described in claim 29, it is characterised in that:Hemicellulose Switch process may be about 101.4 kPas (about 1 atm).
33. according to arbitrary described a kind of charring process based on cellulosic material in claims 1 to 32, it is characterised in that: Hemicellulose switch process can be carried out under nitrogen-ammonia gas.
34. according to arbitrary described a kind of charring process based on cellulosic material in claims 1 to 33, it is characterised in that: Charring process may further include Slow cooling step after crystallizing at second, in about 1 minute under about 210 °C, about 91.3 kPas (0.9 atm).
35. according to arbitrary described a kind of charring process based on cellulosic material in claim 29 to 34, it is characterised in that: The step of charring process may further include carbonization, which is after hemicellulose switch process.
36. according to a kind of charring process based on cellulosic material described in claim 35, it is characterised in that:Carbonization 120 °C may be about.
37. according to arbitrary described a kind of charring process based on cellulosic material in claim 35 to 36, it is characterised in that: Carbonization is probably about 45 minutes.
38. according to arbitrary described a kind of charring process based on cellulosic material in claim 35 to 37, it is characterised in that: Carbonization is probably about 101.4 kPas (about 1 atm).
39. according to arbitrary described a kind of charring process based on cellulosic material in claim 35 to 38, it is characterised in that: Charring process may further include compacting step, and which is after carbonization.
40. according to a kind of charring process based on cellulosic material described in claim 39, it is characterised in that:Compacting step 180 °C may be about.
A kind of 41. charring process based on cellulosic material according to claim 39 or 40, it is characterised in that:Compacting step Rapid is probably about 15 minutes.
42. according to arbitrary described a kind of charring process based on cellulosic material in claim 39 to 41, it is characterised in that: Compacting step is probably about 91.3 kPas (0.9 atm).
CN201580019546.4A 2014-10-29 2015-10-29 Wood carbonization process and building material produced by same Active CN106573281B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462069921P 2014-10-29 2014-10-29
US62/069,921 2014-10-29
PCT/CA2015/051105 WO2016065477A1 (en) 2014-10-29 2015-10-29 Process for wood torrefaction, and construction material produced therefrom

Publications (2)

Publication Number Publication Date
CN106573281A true CN106573281A (en) 2017-04-19
CN106573281B CN106573281B (en) 2020-06-16

Family

ID=55856317

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580019546.4A Active CN106573281B (en) 2014-10-29 2015-10-29 Wood carbonization process and building material produced by same

Country Status (2)

Country Link
CN (1) CN106573281B (en)
WO (1) WO2016065477A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11124461B2 (en) 2019-07-04 2021-09-21 Incitec Pivot Limited Fertilizer

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2636285A1 (en) * 2006-01-06 2007-07-12 Stichting Energieonderzoek Centrum Nederland Process and device for treating biomass
CN101007412A (en) * 2007-01-23 2007-08-01 王益新 Ultrahigh temperature heat treatment method of wood
CA2710625A1 (en) * 2009-08-19 2011-02-19 Andritz Technology And Asset Management Gmbh Method and system for the torrefaction of lignocellulosic material
CN102029633A (en) * 2010-10-15 2011-04-27 中国林业科学研究院木材工业研究所 Treatment method of blue-changed wood
US20130075244A1 (en) * 2011-09-21 2013-03-28 Stichting Energieonderzoek Centrum Nederland Method and system for the torrefaction of lignocellulosic material
CA2757608A1 (en) * 2011-11-07 2013-05-07 Guy Prud'homme Apparatus and method for thermo-transformation of wood
CN103273546A (en) * 2013-05-30 2013-09-04 哈尔滨市三立雅风科技开发有限公司 Method for preparing heat treatment wood through binary mixed gas
CN103608155A (en) * 2011-06-16 2014-02-26 Wde马斯贝尔有限公司 High temperature thermal modification process of wood in a vacuum autoclave
CN103921325A (en) * 2014-04-22 2014-07-16 无锡宇盛厨卫有限公司 Method for anti-oxidation heat treatment of timber

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2636285A1 (en) * 2006-01-06 2007-07-12 Stichting Energieonderzoek Centrum Nederland Process and device for treating biomass
CN101007412A (en) * 2007-01-23 2007-08-01 王益新 Ultrahigh temperature heat treatment method of wood
CA2710625A1 (en) * 2009-08-19 2011-02-19 Andritz Technology And Asset Management Gmbh Method and system for the torrefaction of lignocellulosic material
CN101993700A (en) * 2009-08-19 2011-03-30 安德里兹技术资产管理有限公司 Method and system for the torrefaction of lignocellulosic material
CN102029633A (en) * 2010-10-15 2011-04-27 中国林业科学研究院木材工业研究所 Treatment method of blue-changed wood
CN103608155A (en) * 2011-06-16 2014-02-26 Wde马斯贝尔有限公司 High temperature thermal modification process of wood in a vacuum autoclave
US20130075244A1 (en) * 2011-09-21 2013-03-28 Stichting Energieonderzoek Centrum Nederland Method and system for the torrefaction of lignocellulosic material
CA2757608A1 (en) * 2011-11-07 2013-05-07 Guy Prud'homme Apparatus and method for thermo-transformation of wood
CN103273546A (en) * 2013-05-30 2013-09-04 哈尔滨市三立雅风科技开发有限公司 Method for preparing heat treatment wood through binary mixed gas
CN103921325A (en) * 2014-04-22 2014-07-16 无锡宇盛厨卫有限公司 Method for anti-oxidation heat treatment of timber

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11124461B2 (en) 2019-07-04 2021-09-21 Incitec Pivot Limited Fertilizer
US11691929B2 (en) 2019-07-04 2023-07-04 Incitec Fertilizers Pty Limited Fertiliser

Also Published As

Publication number Publication date
WO2016065477A1 (en) 2016-05-06
CN106573281B (en) 2020-06-16

Similar Documents

Publication Publication Date Title
JP2022188232A5 (en)
JP2018536568A5 (en)
CN103072165B (en) Production method of high-temperature heating modified rubber wood floor
AU2019203769B2 (en) Process for the acetylation of wood
CN102581902A (en) Production method for indoor integrated carbonized rubberwood
Kim et al. Effects of heat treatment on the characteristics of royal paulownia (Paulownia tomentosa (Thunb.) Steud.) wood grown in Korea
CN106573281A (en) Process for wood torrefaction, and construction material produced therefrom
KR101380099B1 (en) Manufacturing Method for Carbonized Wood Using Heat Treatment
CN101497799A (en) Superhigh temperature wood carbonization method
JP4854679B2 (en) How to treat wood at high temperatures
JP2023085332A (en) Method and apparatus for extracting product from heat-treatment process
JP2021506631A (en) Modified wood products and manufacturing methods for the products
TWI633180B (en) Continuous operation method for producing vinegar liquid and activated carbon
JP6946192B2 (en) Continuous acetylation method for wood-based materials
RU2350863C1 (en) Oak bogwood drying techniique
RU2263257C1 (en) Method of drying of hard-dried wood species
CN104772807B (en) A kind of hardwood board is except gummy and drying integrated processing method
DE10345968A1 (en) Wood treatment system especially pine wood for pallets using controlled heated airflows with monitoring of the moisture content of the wood
CN103144174A (en) Production technology of carbon crystal geothermal floor
RU2026777C1 (en) Method to process wood
CN106493812A (en) A kind of timber green mould proof processing method
US1169289A (en) Process of treating woods.
JP2009269223A (en) Method of manufacturing smoked bamboo product
JP2024050277A (en) Manufacturing method of compressed wood
JP2717465B2 (en) Manufacturing method of decorative veneer

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20171220

Address after: Anhui city of Suzhou province Xiaoxian River Dragon Town Road No. 100

Applicant after: Suzhou Wei Wei Timber Engineering Co., Ltd.

Address before: Quebec, Quebec, Canada, crescent deer Avenue, No. 105

Applicant before: Wyatt Girard Management Ltd

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant